US PATENT SUBCLASS 423 / 610
.~.~.~ Titanium dioxide

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
608  DF  .~.~ Group IVB metal (Ti, Zr, or Hf) {2}
610.~.~.~ Titanium dioxide {2}
611  DF  .~.~.~.~> Utilizing titanium halide as reactant {1}
615  DF  .~.~.~.~> Utilizing titanium sulfate as reactant {1}

DEFINITION

Classification: 423/610

(under subclass 608) Product or products or processes wherein, the, compound is titanium dioxide (T.O2).